gill slit


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gill slit

 (gĭl)
n.
1. One of several narrow external openings connecting with the pharynx, characteristic of sharks and related fishes, through which water passes to the exterior, thereby bathing the gills. Also called branchial cleft, gill cleft.
2. Embryology One of several rudimentary invaginations in the surface of the embryo, present during development of all air-breathing vertebrates and corresponding to the functional gill slits of aquatic species. Also called branchial cleft, branchial groove, pharyngeal cleft, pharyngeal groove.

gill slit

n
(Zoology) any of a series of paired linear openings to the exterior from the sides of the pharynx in fishes and some amphibians. They contain the gills
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.gill slit - one of a series of slit openings in the pharynxes of fishes and aquatic amphibians through which water passes
anatomical structure, bodily structure, body structure, complex body part, structure - a particular complex anatomical part of a living thing; "he has good bone structure"
References in periodicals archive ?
Gill openings relatively small, slightly oblique, in horizontal series, all about equal in height; height of first gill slit 1.
4%, last two closer together than slits 1-3, with fourth gill slit anterior to pectoral fin base and fifth gill slit mostly over pectoral fin base; first four slits subequal in length, fifth much smaller; snout slightly rounded; eyes dorsolateral, slit-like, length 3.
Gill openings elongate S-shaped, forming weakly fringed lobe laterally; length of first gill slit 1.
A single gill slit was present on each side of the body.
The Pirana is a truly freaky mini-Jaws-looking lure with gaping mouth, teeth and gill slits where water and bubbles can exit.
They can grow up to 6 feet in length, have large heads, gill slits and wide mouths.
Answers: nouns: gill slits, cartilage, lateral lines, prey; verbs: swim, sleep, attack, swallow; adjectives: keen, shallow, endangered, extinct